Ferrari 365 GT4 BB

vs

Monteverdi Hai 450

Italy vs Switzerland — 1973 vs 1970

Ferrari 365 GT4 BB (1973)
Monteverdi Hai 450 (1970)
Specifications
365 GT4 BBHai 450 SS
Horsepower380 hp450 hp
Torque306 lb-ft461 lb-ft
Engine Size4,390 cc6,974 cc
0-60 mph5.4 sec4.8 sec
Top Speed188 mph180 mph
¼ Mile13.5 sec12.5 sec
Weight3,373 lbs2,943 lbs
Wheelbase2,500 mm2,500 mm
Length4,400 mm4,140 mm
Units Produced3872
Original MSRP$38,000
Value (Excellent)$800,000$5,000,000
Collectibility9/1010/10
Rarity8/1010/10
The Verdict

Numbers favor the 1970 Monteverdi Hai 450 SS with more power, quicker acceleration, lighter weight. The 1973 Ferrari 365 GT4 BB offers higher top speed, better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.

Overview

The rivalry between Italy and Switzerland automotive industries has produced legendary matchups, and the 1973 Ferrari 365 GT4 BB versus 1970 Monteverdi Hai 450 SS is among the most fascinating. These two cars represent the best of their national engineering schools. The 1970 Monteverdi Hai 450 SS holds a clear advantage in raw power with 450 hp compared to 380 hp, a 70-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ferrari 365 GT4 BB uses a Flat-12 DOHC displacing 4,390 cc, while the Monteverdi Hai 450 relies on a V8 OHV with 6,974 cc. In the sprint to 60 mph, the 1970 Monteverdi Hai 450 SS edges ahead at 4.8 seconds versus 5.4 seconds. The Monteverdi Hai 450 carries a weight advantage, tipping the scales 430 lbs lighter. Rarity plays a significant role here — with only 2 units built, the 1970 Monteverdi Hai 450 SS is considerably scarcer than the Ferrari 365 GT4 BB's 387 examples. On the collector market, the 1970 Monteverdi Hai 450 SS commands a significant premium over the 1973 Ferrari 365 GT4 BB, reflecting differences in prestige and rarity.